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WHAT BLINKS STOCK MARKET PRICES? AN EMPIRICAL STUDY FROM JAKARTA STOCK EXCHANGE Sukamulja, Sukmawati
Journal of Indonesian Economy and Business Vol 17, No 4 (2002): October
Publisher : Journal of Indonesian Economy and Business

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.126 KB)

Banyak orang sering bertanya-tanya bagaimana harga saham terbentuk di pasar. Volatilitas harga berdasarkan pada Wall Street Adage (kata-kata klasik yang bijak dari para pemain di Wall Street) adalah volume trading yang mengerakkan harga. Volume trading dalam kenyataannya dapat dikelompokkan ke dalam jumlah perdagangan dan rata-rata jumlah transaksi setiap perdagangan. Penelitian ini dengan menggunakan kapitalisasi pasar dalam pembentukan portofolionya akan melihat manakah yang mendorong volatilitas harga, jumlah/banyaknya transaksi atau rata-rata besarnya volume saham per transaksi. Penelitian ini juga melihat jenis informasi yang mempengaruhi perusahan. Informasi yang bersifat umum dan informasi yang bersifat spesifik. Hasil penelitian ini menyimpulkan bahwa jumlah transaksi secara signifikan positip mempengaruhi volatilitas harga saham di Bursa Efek Jakarta. Perusahaan dengan kapitalisasi besar secara signifikan berhubungan dengan informasi yang bersifat umum. Untuk informasi spesifik secara signifikan berhubungan baik untuk perusahaan berkapitalisasi kecil maupun perusahaan berkapitalisasi besar.Kata kunci: number of trades, trade size, marketwide information, firm specific information, dan volatility.

GOOD CORPORATE GOVERNANCE DI SEKTOR KEUANGAN: DAMPAK GCG TERHADAP KINERJA PERUSAHAAN (Kasus di Bursa Efek Jakarta) Sukamulja, Sukmawati
Benefit Volume 8 No 1 Juni 2004
Publisher : Universitas Muhammadiyah Surakarta

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Corporate governance has become an issue of global significance. The improvement of corporategovernance practices is widely recognized as one of the essential elements in strengthening the foundationfor the long-term performance of countries and corporation. It has also been linked to the broader issuesof national governance and action against corruption at all levels of society within the economicframework of countries. In business, investors would pay a substantial premium for well governedcompanies. Indonesia as one of the emerging countries needs to implement the good corporate governanceto cope with the global economy. The stream of interest in this empirical research examines theapplication of good corporate governance in companies based on annual report that affects to thecompanyâs market value, measured with Tobinâs Q.

[RETRACTED] : PENGARUH KONTRAK FUTURES INDEKS TERHADAP VOLATILITAS UNDERLYING SPOT MARKET DI INDONESIA Sukamulja, Sukmawati; Fidanti, Sony
Jurnal Manajemen Vol 21, No 1 (2017): February 2017
Publisher : Fakultas Ekonomi dan Bisnis, Universitas Tarumanagara

Artikel dengan judul PENGARUH KONTRAK FUTURES INDEKS TERHADAP VOLATILITAS UNDERLYING SPOT MARKET DI INDONESIA dilakukan PENCABUTAN (RETRACTED) dari Jurnal Manajemen Vol.21, No. 1(2017) pada URL http://ecojoin.org/index.php/EJM/article/view/145, karena DITEMUKAN telah pernah DITERBITKAN pada JURNALEM 28 September 2016 halaman 1-13 pada tautan daringÃ‚Â http://e-journal.uajy.ac.id/10404/Pemberitahuan PENCABUTAN artikel ini dapat juga ditemui pada Jurnal Manajemen Vol.22 No. 3 (2018) dengan URLhttp://ecojoin.org/index.php/EJM/article/view/389

PENGGUNAAN KOMBINASI INDIKATOR SMA, EMA, MACD, RSI, DAN MFI UNTUK MENENTUKAN KEPUTUSAN BELI DAN JUAL PADA SAHAM-SAHAM DI SEKTOR LQ45 BEI TAHUN 2018 Santoso, Agustinus Adi; Sukamulja, Sukmawati
Modus Journals Vol 32, No 2 (2020): MODUS
Publisher : Faculty of Economics Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/modus.v32i2.3519

ABSTRACTThis research was conducted to determine the selection of the highest performing stock group indicators, so that it can be used as a reference for buying shares. This study tested six combinations of technical indicator groups, then this technical combination was used to test the price of shares whose companies are included in the LQ45 group on the Indonesia Stock Exchange (BEI) in 2018. The results of this study indicate that the use of stock indicator groups with the maximum profit percentage and the shortest number of days is the best groups. The sequence of indicator groups with good performance to poor performance is 1: EMA, MFI, and RSI; 2: MA, MFI, and RSI; 3: MA, MACD, and MFI; 4: MA, MACD, and RSI; 5: EMA, MACD, and MFI; 6: EMA, MACD, and RSI.Â Keywords: Indonesia Stock Exchange; LQ45; stock trading; technical indicatorsABSTRAKPenelitian ini dilakukan untuk mengetahui pemilihan kelompok indikator saham yang paling tinggi kinerjanya, sehingga dapat dijadikan acuan untuk pembelian saham. Pada penelitian ini diuji enam kombinasi dari kelompok indikator teknikal, selanjutnya kombinasi teknikal ini digunakan untuk menguji harga saham yang perusahaannya termasuk dalam kelompok LQ45 di Bursa Efek Indonesia (BEI) tahun 2018. Hasil penelitian ini menunjukkan penggunaan kelompok indikator saham dengan persentase keuntungan maksimal dan jumlah hari yang paling pendek adalah yang paling baik. Urutan kelompok indikator dengan kinerja yang bagus ke kinerja yang kurang bagus adalah: Peringkat 1: EMA, MFI, dan RSI; Peringkat 2: MA, MFI, dan RSI; Peringkat 3: MA, MACD, dan MFI; Peringkat 4: MA, MACD dan RSI; Peringkat 5: EMA, MACD, dan MFI; Peringkat 6: EMA, MACD, dan RSI.Â Kata kunci: Bursa Efek Indonesia; LQ45; jual beli saham; indikator teknikal

MORNING LOSSES AND AFTERNOON PRICE VOLATILITY: EVIDENCE OF JAKARTA STOCK EXCHANGE Y. Sukmawati Sukamulja
KINERJA Vol. 8 No. 1 (2004): Kinerja
Publisher : Faculty of Business and Economics Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/kinerja.v8i1.806

Menggunakan data intraday, penelitian ini menemukan bukti adanya perilaku bias padaharga di Bursa Efek Jakarta. Investor yang mengalami kerugian pada pagi hari lebih beranimenerima risiko pada siang hari. Investor yang mengalami kerugian di pagi hari bersedia membeli pada harga lebih tinggi daripada investor yang memperoleh keuntungan di pagi hari. Kebalikannya, investor yang tidak suka menerima risiko sepanjang hari akan mengambil posisi sebaliknya, yaitu hanya mau menerima lebih sedikit risiko jika investor telah menerima keuntungan sebelumnya. Penemuan ini membuktikan adanya pengaruh psikologi investor dalam hubungannya dengan keuntungan, kerugian, dan risiko.Kata kunci: keuangan perilaku, keuntungan pagi hari, kerugian pagi hari, penentuan risiko

GOOD CORPORATE GOVERNANCE DI SEKTOR KEUANGAN: DAMPAK GCG TERHADAP KINERJA PERUSAHAAN (Kasus di Bursa Efek Jakarta) Sukmawati Sukamulja
Benefit: Jurnal Manajemen dan Bisnis Benefit : Kumpulan Makalah Diskusi Dosen FE UMS Volume 8 No 1 Juni 2004
Publisher : Program Studi Manajemen Fakultas Ekonomi dan Bisnis Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/benefit.v8i1.1193

Corporate governance has become an issue of global significance. The improvement of corporategovernance practices is widely recognized as one of the essential elements in strengthening the foundationfor the long-term performance of countries and corporation. It has also been linked to the broader issuesof national governance and action against corruption at all levels of society within the economicframework of countries. In business, investors would pay a substantial premium for well governedcompanies. Indonesia as one of the emerging countries needs to implement the good corporate governanceto cope with the global economy. The stream of interest in this empirical research examines theapplication of good corporate governance in companies based on annual report that affects to thecompany’s market value, measured with Tobin’s Q.

THE NEW ERA OF FINANCIAL INNOVATION: THE DETERMINANTS OF BITCOIN’S PRICE Sukmawati Sukamulja; Cornelia Olivia Sikora
Journal of Indonesian Economy and Business (JIEB) Vol 33, No 1 (2018): January
Publisher : Faculty of Economics and Business, Universitas Gadjah Mada

Financial innovation has entered a new era in which a digitalized system and cryptocurrency have been created. This paper examines the factors that influence the price movement of bitcoin. This is not a legal currency in Indonesia; the Indonesian government has not made any regulations legalizing bitcoin’s use, but it has also not issued any new laws to prohibit the trade in bitcoins and other digital currencies. The demand for, and price growth of, bitcoin are interesting matters to study, especially for Indonesians who still have questions about the progress of Bitcoin transactions and the factors that influent them. In Indonesia itself, without any protection from the government, the bitcoin price on December 14, 2017 had already reached more than IDR224.5 million, compare to IDR60 million in October 2017. Bitcoin is the first peer-to-peer currency, and was introduced by Satoshi Nakamoto in 2008. Since its inception, bitcoin has served more than 17 million users, including Indonesians. Bitcoin behaves in a different manner, compared to traditional currencies and the one that affects bitcoin’s price is its attractiveness for investors. The Vector Error Correction Model (VECM) is applied to analyze the short-term and long-term influences. VECM is used in this research because the data is stationary in the first difference and has a cointegration relationship. To make the interpretation clearer, the impulse response function and variance decomposition also are included in this research. The result indicates that the macroeconomic indicator, represented by the Dow Jones Industrial Average (DJIA), the demand for bitcoins and the gold price influence bitcoin’s price fluctuations in the short-run and long-run. Bitcoin’s supply does not influence its price fluctuation in the long-run but does influence it in the short-run. The implication of this research is bitcoin could compete as an alternative investment compared to the capital markets and gold.

The Effect of Google Search Volume Index on Underpriced IPOs and Divergence of Opinions Megen Chivianti; Sukmawati Sukamulja
Journal of Indonesian Economy and Business (JIEB) Vol 36, No 1 (2021): January
Publisher : Faculty of Economics and Business, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jieb.55759

Introduction/Main Objectives: The purpose of this paper is to examine the effect of the Google Search Volume Index (GSVI), as the moderating variable, on underpriced IPOs, as the independent variable, on the divergence of opinions, as the dependent variable. Background Problems: A divergence of opinions may arise when an error occurs while estimating the right price due to the unavailability of information or only having limited information. Before a company conducts an IPO, potential investors will look for information about the company and each one may interpret the data differently, which results in disagreements between the investors. The investors’ attention is a disagreement mechanism. Research Methods: This study employs the regression analysis of moderation variables with an absolute difference method (ADM) on a sample of 79 Indonesian companies that conducted an IPO between 2015 and 2019. Finding/Results: This study discovered a negative relationship between the initial return and market-adjusted turnover without an interaction effect in the model. The investors’ attention reduces disagreements about underpriced IPOs in the aftermarket. Conclusion: The result of this study found that investors’ attention reduces disagreements about underpriced IPOs proxied by the initial return, because investors closely monitor other information available on the Internet.

The Effect of Good Corporate Governance on the Market Value of Financial Sector Companies in Indonesia Galih Adinegara; Sukmawati Sukamulya
Jurnal Akuntansi dan Keuangan Vol. 23 No. 2 (2021): NOVEMBER 2021
Publisher : Institute of Research and Community Outreach - Petra Christian University

Corporate governance is an interesting topic to discuss recently. Governance builds trust and predictability, hence generating comfort to investors. Companies that implement good corporate governance are expected to have a good financial performance to minimize agency problems and provide more benefits to shareholders. A corporate governance framework can determine the agency problem and its effect on shareholders' value. This study uses a random effect model estimation method. Good corporate governance in this study is measured with the corporate governance index (CGI) score and formed based on five sub-indexes. The company's market value is calculated by Tobin's Q ratio. The results of statistical tests show a positive relationship between the implementation of good corporate governance and its market value. Furthermore, this research shows how Indonesian banks listed in IDX from 2010 to 2019 implement good corporate governance practices as the index continues to increase every year.

Co-integration and Co-movement Between Asian Stock Price Index and Jakarta Composite Index Stevanius, Stevanius; Sukamulja, Sukmawati
The Indonesian Capital Market Review Vol. 12, No. 1
Publisher : UI Scholars Hub

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The profit from international diversification to eliminate risks has caused investors to spread their capital to different international stock exchanges. The dynamic relations among stock exchanges indicate the presence of one or two-way relations among the stock exchanges. This happens because of the interdependence and integration that takes place among stock exchanges, such as interdependence among Asian markets. This research aims to analyze and discuss co-integration and co-movement between Asian stock price index and Indonesia. The research design used Vector Error Correction Model. The results of this research prove that in the short-term, there is a relationship between Kuala Lumpur Composite Index, Stock Exchange of Thailand Index, and Hang Seng Index against Jakarta Composite Index. In the results of co-integration test, there are co-integration and co-movement between the capital markets of Malaysia, Thailand, South Korea, Japan, Singapore, and Hong Kong with Indonesia capital market.

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